Seiko Cal. 4420 - 387

This Spring Drive model from 1984 features a 39mm Hardlex-Coated Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fbdf5e308d81]

Also known as: Samurai, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1984

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